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INSPECTION PROCEDURE P-20: The passenger’s door switch signal is not received. <Vehicles for Australia>
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|  CAUTION
Whenever the ECU is replaced, ensure that the input signal circuit is normal.
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| COMMENTS ON TROUBLE SYMPTOM
Input signal from the passenger’s door switch is used to operate the power window timer function. If the signal is abnormal, the power window timer function will not work normally.
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| POSSIBLE CAUSES
- Malfunction of the passenger’s door switch
- Malfunction of the ETACS-ECU
- Damaged harness wires and connectors
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| Step 1. Check the installation condition.
Check that the door switch (front, LH) is installed on the body correctly.
Q: Is the check result normal?
YES:
Go to Step 2  .
NO:
Correct the installation condition.
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| Step 2. Connector check: D-28 door switch (front, LH) connector Q: Is the check result normal?
YES:
Go to Step 3 .
NO:
Repair the defective connector.
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| Step 3. Check the door switch (front, LH).
Refer to GROUP 42 -
Door  .
Q: Is the check result normal?
YES:
Go to Step 4 .
NO:
Replace the door switch (front, LH).
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| Step 4. Connector check: C-219 ETACS-ECU connector Q: Is the check result normal?
YES:
Go to Step 5 .
NO:
Repair the defective connector.
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| Step 5. Check the wiring harness between D-28 door switch (front, LH) connector terminal No.3 and C-219 ETACS-ECU connector terminal No.65. NOTE: Prior to the wiring harness inspection, check intermediate connector C-117, and repair if necessary.
- Check the input line for open circuit.
Q: Is the check result normal?
YES:
Go to Step 6 .
NO:
Repair the wiring harness.
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| Step 6. Retest the system.
Check that the passenger’s door switch signal is received normally.
Q: Is the check result normal?
YES:
The trouble can be an intermittent malfunction (Refer to GROUP 00 -
How to Cope with Intermittent Malfunction ).
NO:
Replace the ETACS-ECU.
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